if any teachers or students read this, please could they reply telling about what they (or their students) find easy and what they find hard to do on an xo?

in particular, how long does it take students (of any age) to learn how to find out for themselves how to(a) make new friends via the xo network(b) discover ways of learning about, for example, (i) a foreign language (ii) first aid (iii) the cost of living (iv) making a movie (v) the point of maths

what do you see students spending most time doing on an xo?if you are a teacher, what are your students' most frequent questions about xo?